The person who will make the greatest contribution to a company is the mature person-and you cannot have maturity if you have no life or interest outside the job.
Peter DruckerKnowledge has become the key economic resource and the dominant-and perhaps even the only-source of competitive advantage.
Peter DruckerTrying to predict the future is like trying to drive down a country road at night with no lights while looking out the back window.
Peter DruckerMany studies of research scientists have shown that achievement (at least below the genius level of an Einstein, Bohr, or a Planck) depends less on ability in doing research than on the courage to go after opportunity.
Peter DruckerManagement means, in the last analysis, the substitution of thought for brawn and muscle, of knowledge for folkways and superstition, and of cooperation for force. It means the substitution of responsibility for obedience to rank, and of authority of performance for the authority of rank.
Peter Drucker